<template>
  <ul class="todo-main">
    <Item 
    v-for="(todo,index) in todos" 
    :key ="todo.id" 
    :todo="todo" 
    :index="index" 
    :deleteTodo="deleteTodo" 
    :updateTodo="updateTodo"
    />
  </ul>
</template>

<script>
import Item from "@/components/Item";
export default {
  name: "List",
  components: {
    Item,
  },
  // props:['todos','deleteTodo','updateTodo'],
  props: {
    todos: {
      type: Array,
      required: true,
      default: () =>{
        return [];
      },
    },
    deleteTodo: Function,
    updateTodo: Function,
    num: {
      type:[Number,String],
      default: 123,
      required: true,
      //自定义校验
      validator: (value) => {
        return value > 120;
      }
    }
  },

};
</script>

<style >
/*main*/
.todo-main {
  margin-left: 0px;
  border: 1px solid #ddd;
  border-radius: 2px;
  padding: 0px;
}

.todo-empty {
  height: 40px;
  line-height: 40px;
  border: 1px solid #ddd;
  border-radius: 2px;
  padding-left: 5px;
  margin-top: 10px;
}
</style>
